﻿using System;
using System.Collections.Generic;
using System.Text;

public static class StringExt
{
    public static bool IsNullOrEmpty(this string @this)
    {
        return string.IsNullOrEmpty(@this);
    }

    public static bool IsNotNullOrEmpty(this string @this)
    {
        return !string.IsNullOrEmpty(@this);
    }

}
